Studies reveal that millennials’ grip strength is 10% less than test subjects in the same age range 30 years ago. Cause for concern, or cause for setting the standards to a “new norm”? Is it because we’re not farming, or rather are we too good at thumb swiping? Katy does a quick double-take in this handy episode.

What ARE you doing with your arms when you’re walking? What about uphill? What if you’re holding a dog leash? Let’s get down to arm-swing town with Katy as she breaks down the biomechanics of using those dangly things that hang from your shoulders.